Bronzing machine



Oct. 18, 1932. F. R. BELLUCHE BRONZING MACHINE Filed June 13. 1928 2 Sheets-Sheet 1 Oct. 18, 1932. F. R. BELLUCHE 1,882,744

BRONZING MACHINE Filed June 15, 1928 2 Sheets-Shee 2 Patented Oct. 18, 1932- UNITED STATES, PATENT oFncE FRANK R. BELLUCHE, OF RACINE, WISCONSIN IBRONZING Application filed .Tune 13,

This invention relates particularly to means for rubbing bronzing material 1I1t0 work and has as an object the provision of a pad adapted to be held in engagement with the work to be bronzed and oscillated longitudinally as the work passes thereunder.

Another ob]ect of this invention resides inthe provisionof a pad for rubbing bronzing material into work as it passes thereunder which is so constructed that it may be readily erts a tension on the pad.

With the above and other objects in View which will appear as the description pr ceeds, my invention residesin the novel construction, combination and arrangement of parts substantially as hereinafterdescribed and more particularly defined by the'appended claims, it being understood that such changes in the precise embodiment of the hereindisclosed invention may be made as come within the scope of the claims. I

In the accompanying drawings, I have illustrated one complete example of the physical embodiment of my invention constructed according to the bestmode I have so far devised for the practical application of the principles thereof, and in which:

Figure 1 is a side view of a bronzing machine embodying my invention, parts thereof being broken away and in section to more clearly illustrated structural details;

Figure 2 is a perspective view of the bronzing pad and the drive therefor;

Figure 3 is an enlarged view looking at the front of the pad, parts thereof being broken away and in section, and c Figure 4: is an enlarged fragmentary view MACHINE 1928.. Serial No. 285,032.

in closed position.

Referring now'more particularly to'the illustrating the means for locking the pad accompanying drawings, in which like numerals designate like parts throughoutthe several views, the numeral '5 designates the feed side frame and v6 the gear side frame of abronzing machine of that type more fully described in my copending applicationSerial N o.*285,030, filed June 13, 1928.

In bronzing machines of this character the work is fedthereto'upon tapes 7 directly from a press or from any other source of supply, not shown,:and is pers 8 of a bronzing mounted between the frames 5 and 6 on-a shaft 10. While on the-cylinder 9, bronzing material is sprayed onto the work by a-spraying roll 11 forming the bottom of a storage receptacle 12 andas the cylinder rotates the work is carried under a bronzing pad 13 where the material is rubbed into the work to adhere theretoat the places where the ink or size-1s moist. j, After the bronzing material is rubbed into the-work, the excess bronze is removed by a plurality of cleaning rolls 14 and the sheet W then transferred to a delivery cylinder 15 picked up by the gripcylinder 9 rotatably from where it is deposited onto delivery tapes 16 and carried to a container 17 or picked up from the delivery tapes by any'suitable conveying mechanism, not shown.- An exhauster'18"draws the excess bronzing material from the machine interior.

The bronzing pad 13 consists of a fabric 19having a pad of fibrous material 20 Se cured to one side which engages the work as it passes therebeneath' and having its longitudinal marginal edges detachably con nected with a pair of'tubes 21 which are held in spaced relation by arcuate arms or levers 22 having aligned apertures 28 inwhich the adjacent ends of'the tubes 21 are positioned. A slot 24 extends from therbores 23 and a clamping screw 25 a djus tably clamps the tubes in their respective apertures so that the tension of the fabric 19 may be adjusted by turning the tubes 21 outwardly to wind the fabric thereon, as will be readily apparent.

The frame of'the bronzing pad consisting axis of th of the arcuate arms 22 and the tubes 21 is longitudinally movably mounted between the side frames 5 and 6 so that while the cylinder 9 carries the work past the pad, the pad oscillates back and forth to thoroughly rub the bronzing material into the work. A pair of studs 26 secured to the frame 5 in proper spaced relation freely slidably mount the adjacent side of the frame, the lower stud 26 receiving the bushed end of the lower tube 21. The opposite end of the lower tube is provided with a threaded bushing 27 which receives the threaded end 28 of a shaft 29 slidably mounted in a bearing 30 in the frame 6 in axial alignment with the stud 26, the medial portion of the shaft beingprovided with rack teeth 31 fora purpose later described. The other stud 26 slidably receives a tubular member 32, the inner end of which is fixed on one end of a shaft 33, the: other end of which has a tubular member 34 similar to the member 32 fixed thereto. The member 34 is provided with a'threaded aperture 35 which receives the threaded endl36 of a shaft 37 similar to the shaft 29 and likewise slidably mounted in a bearing 31 carried by the frame 6 and'having rack teeth 31 formed therein.

4 The upper ends of the arms 22 have ears or lips 38 extended therefrom which engage the periphery of the tubular members 32 and 34 as the arms, which are pivotal about the lower stud 26 and the shaft 29, are swung towards the cylinder 9, and in this position the fibrous material 20 of the pad 13 is flexed over the curved surface of the cylinder 9 to maintain the fabric 19 taut. The pad 13 is maintained in this position with the lips 34 by a pair of locking studs 39. carried by a lever 40 extended from the members 32 and 34. The lever 40 carried bythe member 34 has a hook or cotter pin 41 secured therein with which one end of a contractile spring 42 is engaged having its other endsecured to a second cotter pin or hook 43 carried by a substantially U-shaped stop member 44 one end45 of which abuts the lever 40 and has its other end 46 secured in an aperture in the shaft 37 by means of a set screw 47 V The members 34 and 32 from which the arms 40 are extended to carry the locking studs 39 being fixed to the shaft 33 maybe rotated in unison against the action of the spring 42 to throw the locking studs 39 out of the path of the lips 38, as illustrated in dotted lines in figure 4, to permit the bronzing pad to be pivoted about the axis of the shaft 29 and the lower stud 26 to move the same away from the surface of the cylinder.

The shaft 33 is restrained against longitudinal movement with respect tothe pad and its arcuate arms. 22 by the engagement of the lips 38 with the inner faces of the lower arms 40, thus connecting the frame of the pad and the shaft 33. for unitarylongi- 38 engaging the members 32 and tudinal movement with respect to the cylinder 9 and means now about to be described are provided for reciprocating the pad across the face of the cylinder as the cylinder is revolved.

Fixed to the main drive shaft 48 of the machine which is driven from any suitable source ofpower by a belt 49 and a pulley 50 secured to the shaft, is an eccentric 51 the strap 52 of which has a rod 53 connecting it with a shaft 54 which is freely slidable in bearings 55 secured to the side frame 6, through a swivel connection 56 to reciprocate the shaft upon rotation of the drive shaft 48. The shaft 54 is provided with rack teeth, not shown, which mesh with a pinion 57 fixed to a shaft 58 rotatable in bearings 59 likewise secured to the frame 6 and having pinion gears 60 fixed thereto adjacent each bearing 59. The pinion gears 60 are arranged to mesh with the rack teeth 31 on the shafts 29 and 37 so that as the shaft 54 reciprocates it oscillates the shaft 5.8 which in turn reciprocates the shafts 29 and 37 and moves the bronzing pad back and forth across the face of the cylinder 9, bearings 61 being provided to support the outer ends of the shafts 29 and 37. I

From the foregoing description taken in connection with the accompanying drawings 1t will be readily apparent to those skilled in the art to which an invention of this character apertainsv that I provide 'a novel means for rubbing the bronzing material into the work which is highly efficient and which is so constructed and mounted as to make repairs and replacements a simple matter.

What I claim as my invention is:

1. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on work as it is carried through the machine by the cylinder, a pad of flexible material for rubbing the bronzing material into the work, means mounting the pad with its working face against the cylinder whereby the curvature of the cylinder surface maintains the pad taut, and means for adjusting the tension of the pad on the cylinder surface. V

2. A bronzing pad of the character described, comprising a frame having end members, side memberscadjustably rotatable in the end members, and a fabric connected with the side members, rotation of the side members tending to wind the fabric thereon to adjust the tension of, the fabric.

3. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on work as it is carried through the machine by the cylinder, a pad for rubbing the bronzing material into the work, transverse shaftsbetween which the pad is mounted and positioned so that the curvature of the cylinder surface maintains the pad taut, means'rotatably mounting one of the shafts whereby rotation of the shaft governs the tension applied to the pad by the curvature of the cylinder surface, and means for locking the shaft in adjusted position.

4. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on work as it is carried through the machine by the cylinder, a bronzing pad of flexible material for rubbing the bronzing material into the work, a frame for carrying the pad and including spaced members with which the sides of the pad are connected, means hingedly mounting the frame whereby the pad may be swung into and out of engagement with the cylinder surface, the curvature of the cylinder surface maintaining the pad taut when in engagement therewith, and releasable locking means maintaining the pad in engagement with the cylinder surface.

5. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on Work as it is carried through the machine by the cylinder, a bronzing pad, a frame supporting the pad so that the curvature of the cylinder maintains the pad taut, a shaft extending from the frame and having rack teeth therein, a pinion gear meshing with the rack teeth, and drive means oscillating the pinion gear to reciprocate the shaft and the pad.

6. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on work as it is carried through the machine by the cylinder, spaced bars, means for simultaneously reciprocating the bars longitudinally with respect to the cylinder, :1 frame pivotally mounted on one o of the bars, a pad formed of flexible material I carried by the frame and adapted to engage the cylinder when the frame is swungto engagement with the other bar for rubbing the bronzing material into the work, the curvature of the cylinder maintaining the pad taut, and means for readily releasably maintaining the frame in engagement with said second mentioned bar.

7. In a bronzing machine having a work carrying cylinder and means for depositing bronzing material on Work as it is carried through the machine by the cylinder, a frame including spaced longitudinal members, means for reciprocating the frame, and a pad of flexible material connecting the spaced members to partially surroundv the cylinder whereby the curvature of the cylinder main-r tains the pad taut.

In testimony whereof I have hereunto afiiXed my signature.

FRANK R. BELLUCHE. 

